This long sleeve is a star whether you wear it on its own for cool-morning runs or layered up on extra-cold days. The slim fit makes it easy to slide under a jacket and keeps the soft technical fabric against your skin. Stretchy, naturally breathable Rulu™ fabric is sweat-wicking and buttery soft four-way stretch sweat-wicking buttery-soft handfeel naturally breathable features Designed for: Training Lycra®: Added Lycra® fibre for shape retention Thumbholes: Thumbholes help keep your sleeves down for easy layering Fit : Body Skimming, hip length